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Your cart is empty. Sensing Input: Terminal 1,2 3,4 5,6 Can be connected to Y or 220~480VAC Single Phase 50/60HZ
Power Input: 50~280VAC (1,2) 50/60HZ
Output Voltage: Maximum 90VDC @ 220VAC Harmonic Wave
Output Current: Continuous 6A Maximum 8A for 10 sec
Over Excitation Protection: 25~55VDC @ 0.1~20 sec
Under Frequency Protection: U/F Range 42~60HZ
Voltage Regulation: External Volts Adjustment: ±5% @ 100K&Omega
Voltage Build-up: Residual Voltage above 5 VAC 25HZ
EMI Suppression: Internal Electromagnetic Interference Filtering
Excitation Winding Resistance: DC Resistance 10~100&Omega
Roark
Reviewed in the United States on October 6, 2024
My genny was producing wandering voltages, flickering lights, and would push about 260v under a light load. These are all classic symptoms of a failing regulator. So I found this unit and ordered it. Note: this is a knock-off of the original Italian design. It is NOT a genuine factory regulator. Do you care? I sure dont, considering its $230 cheaper than one from Italy… assuming you can even find one! :)The first regulator arrived damaged right out of the box. The copper on the inductor had been rubbing on the box and had worn completely thru. Kinda freaky, but hey, strange things happens. But the return process was quick and painless. The return and the replacement unit even crossed in the mail.The replacement arrived a week later and was in good condition. I installed it on an 1800 rpm liquid cooled Perkins 2.214L with a 20kw Mecce Alt 120/240v single phase head made in 2012. Simple installation: two screws and a few wires. Easy stuff. If you take a picture before you begin, its almost impossible to screw this up.I double-checked everything, cranked up the genny, and got 248 volts right out of the box. The scope showed a good, clean sine wave without a hint of instability and little distortion. Honestly, I could have just buttoned it up and run it like this without a second thought, but I figured I’d tweak it to “perfection”. Adjusting the VOLT potentiometer got it stable at 240 volts no load, so I put an 18kw load on it to see what happens. At 18kw the voltage was 234V. That is a very low drop. Perfection. The STAB adjustment was dead-on out of the box and I really couldnt improve on it, so kudos to the test guys at the factory. The FREQ (aka HZ) trimmer comes “full-on” from the factory so adjustment here is optional. (In a pinch, just turn it fully clockwise and let the main breaker deal with any overload). If these adjustments are scaring you, understand this VR comes with simple instructions that require only a voltmeter and screwdriver.TL:dr: This is a really decent regulator at 1/4th the cost of a genuine part from Italy. Happy camper here, and I’m ready for the next hurricane.
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